Scientists have long puzzled over why Mars, once protected by a global magnetic field like Earth, now shows only a magnetic ...

Mars' magnetic mystery may finally have a solution—scientists now think the Red Planet’s ancient magnetic field only existed ...

Learn about Mars' defunct magnetic field, which may have sustained life on the planet and covered only its southern ...

Uncover the mysteries of Mars' magnetic field, generated by a molten core, unlike Earth's solid core structure.

"The logic here is that with no solid inner core, it's much easier to produce hemispheric (one-sided) magnetic fields," Yan said. "That could have implications for Mars' ancient dynamo and possibly ...

Did Mars once have a full magnetic field in its ancient past like Earth does today, or was it lopsided and only covered ...

Like Earth, Mars once had a strong magnetic field that shielded its thick atmosphere from the solar wind. But now only the magnetic imprint remains ...

"The logic here is that with no solid inner core, it's much easier to produce hemispheric (one-sided) magnetic fields," Yan said. "That could have implications for Mars' ancient dynamo and ...

“The logic here is that with no solid inner core, it’s much easier to produce hemispheric (one-sided) magnetic fields,” Yan said. “That could have implications for Mars’ ancient dynamo ...